1 files changed, 74 insertions, 0 deletions
diff --git a/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-core/src/main/java/org/openecomp/sdc/validation/utils/ValidationConfigurationManager.java b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-core/src/main/java/org/openecomp/sdc/validation/utils/ValidationConfigurationManager.java
new file mode 100644
index 0000000000..cc921ce985
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-validation-lib/openecomp-sdc-validation-core/src/main/java/org/openecomp/sdc/validation/utils/ValidationConfigurationManager.java
@@ -0,0 +1,74 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.validation.utils;
+
+import org.apache.commons.collections4.CollectionUtils;
+import org.openecomp.core.utilities.CommonMethods;
+import org.openecomp.core.utilities.file.FileUtils;
+import org.openecomp.core.utilities.json.JsonUtil;
+import org.openecomp.core.validation.interfaces.Validator;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class ValidationConfigurationManager {
+
+  private static final String VALIDATION_CONFIGURATION = "validationConfiguration.json";
+  private static final List<Validator> validators = new ArrayList<>();
+  private static Logger logger = LoggerFactory.getLogger(ValidationConfigurationManager.class);
+
+  /**
+   * Init validators list.
+   *
+   * @return the list
+   */
+  public static List<Validator> initValidators() {
+    synchronized (validators) {
+      if (CollectionUtils.isEmpty(validators)) {
+        InputStream validationConfigurationJson =
+            FileUtils.getFileInputStream(VALIDATION_CONFIGURATION);
+        ValidationConfiguration validationConfiguration =
+            JsonUtil.json2Object(validationConfigurationJson, ValidationConfiguration.class);
+        List<ValidatorConfiguration> conf = validationConfiguration.getValidatorConfigurationList();
+        conf.stream().filter(ValidatorConfiguration::isEnableInd).forEachOrdered(
+            validatorConfiguration -> validators.add(validatorInit(validatorConfiguration)));
+      }
+    }
+    return validators;
+  }
+
+  private static Validator validatorInit(ValidatorConfiguration validatorConf) {
+    Validator validator = null;
+    try {
+      validator =
+          CommonMethods.newInstance(validatorConf.getImplementationClass(), Validator.class);
+    } catch (IllegalArgumentException iae) {
+      logger.error("Validator:" + validatorConf.getName() + " Class:"
+          + validatorConf.getImplementationClass() + " failed in initialization. error:"
+          + iae.toString() + " trace:" + Arrays.toString(iae.getStackTrace()));
+    }
+    return validator;
+  }
+}